Tutoring for angular 7 javascript typescript and nodejs

So i have a application built on angular7 nodejs express typrscript and javascript. Also it uses webpack for code bundling. Very basic login logout application. It uses JWT token for authetication and AOT compiler. I have the application already built. I just need someone to study it and explain me the flow. Basically tutor me. Its not a development but a teaching work. But the person should be very well clear with all the logics of above mentioned technologies. App is pretty simple single page application. Person should be indian so we can talk on [Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions] efficiently.